Component Tests and General Diagnostics

The following symptoms refer to mechanical operation of power eat adjusters with a power recliner. For electrical diagnosis refer to A Diagnostic System Check - Power Seat Systems.
1. One adjuster reaches maximum horizontal position before the other adjuster.
Adjuster may be out of phase. Refer to Seat Adjuster Phase Adjustment - Power.
2. Seat does not move smoothly.
Adjusters may not be properly lubricated.
3. One adjuster will not move forward and backward. Driveshafts may be jammed or damaged.